Cassady, C. Richard, author
Probability models in operations research
CRC Press, Taylor & Francis Group, 2009
 Buku Teks
Bany, Mary A
Educational social psychology
Mac Millan, 1975
 Buku Teks
Good, Carter V., author
Methods of research educational, psychological, sociological
Appleton Century Crofts, 1954
 Buku Teks
Hoy, Wayne K., author
Educational administration : theory research and practice
Random House , 1978
 Buku Teks
Vockell, Edward L.
Educational research / Edward L. Vockell
Macmillan, 1983
 Buku Teks
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